2228330 has 32 divisors (see below), whose sum is σ = 4405968. Its totient is φ = 806400.

The previous prime is 2228329. The next prime is 2228333. The reversal of 2228330 is 338222.

2228330 = 408² + 409² + ... + 420².

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 203401 + 2024929 = 451^2 + 1423^2 .

It is a d-powerful number, because it can be written as 2³ + 2¹⁷ + 2²¹ + 8 + 3² + 3⁴ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2228333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7790 + ... + 8070.

2^2228330 is an apocalyptic number.

2228330 is a deficient number, since it is larger than the sum of its proper divisors (2177638).

2228330 is a wasteful number, since it uses less digits than its factorization.

2228330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2228330 is about 1492.7591902246. The cubic root of 2228330 is about 130.6150343809.

The spelling of 2228330 in words is "two million, two hundred twenty-eight thousand, three hundred thirty".